Which of the following is not always a true odontogenic infection

→ Orofacial infections may be odontogenic or non-odontogenic in nature. → Majory of odontogenic infections are caused by the endogenous bacteria present in the oral cavity. Eg: Periapical and periodontal infections. → Most of non-odontogenic infections are associated with an underlying medical condition Eg: Non-odontogenic infections of the skin, tonsils, or maxillary sinuses. → Occasionally, infections could develop following an anesthetic injection or a surgical procedure.